Britney Spears – Circus Fantasy

Backing Vocals – Myah Marie
Backing Vocals – Cathy Dennis
Engineer [Additional Pro Tools Engineering] – John Hanes
Engineer [Assistant] – Tim Roberts
Mixed By – Serban Ghenea
Producer – Dr. Luke
Producer [Additional], Programmed By – Nick Harvey (2)
Producer [Additional], Programmed By – Darren Kawa
Producer, Drums, Keyboards, Programmed By – Benny Blanco (3)
Recorded By – Sam Holland
Recorded By [Assisted By] – Tatiana Gottwald
Recorded By [Assisted By] – Chris Kasych
Recorded By [Assisted By] – Eric Weaver
Recorded By [Assisted By] – Chad Carlisle
Recorded By, Edited By [Vocal] – Emily Wright
Recorded By, Edited By [Vocal] – Matt Beckley
Remix – Junior Vasquez
Written-By – Benjamin Levin
Written-By, Backing Vocals – Claude Kelly
Written-By, Guitar, Drums, Keyboards, Programmed By – Lukasz Gottwald

Edited By [Pro Tools Editing] – Ron Taylor
Producer – Danja
Producer [Vocal Production] – Jim Beanz
Recorded By, Mixed By – Marcella Araica
Recorded By, Mixed By [Assisted By] – Jared Newcomb
Written-By – James Washington (2)
Written-By – Luke Boyd
Written-By – Marcella Araica
Written-By – Nate Hills